Search results

1. Impacts of cetaceans on the structure of Southern Ocean food webs

   Abstract:  Here we present three scenarios that demonstrate how cetaceans may influence the ... structure and dynamics of the Southern Ocean food web. These should be considered in addition to several ... -predator removal are not a novel concept. While we acknowledge the correlative nature of our examples, we ... nonetheless contend that they indicate fruitful directions for current and future research in the Southern ...

   Meeting Document : WG-EMM-09/P04 : Author(s): D. Ainley, G. Ballard, L.K. Blight, S. Ackley, S.D. Emslie, A. Lescroël, S. Olmastroni, S.E. Townsend, C.T. Tynan, P. Wilson and E. Woehler

2. Development of the Patagonian toothfish (Dissostichus eleginoides) tagging program in Division 58.5.2, 1997–2014

   adjacent to Heard Island and the McDonald Islands (HIMI, CCAMLR Division 58.5.2) since 1998, with 27,679 ... toothfish tagged and released, and 4925 recaptures. The data derived from this program has been valuable in ... estimating key population parameters for toothfish in this region, and have been used in the 2014 stock ... ;  movement rates;  growth;  stock structure; and  estimation of q of the trawl surveys; However, due to the ...

   Meeting Document : WG-FSA-14/43 : Author(s): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia)

3. Spatial and temporal patterns of sperm whale (Physeter macrocephalus) depredation on Australian longline vessels in the Patagonian toothfish (Dissostichus eleginoides) fishery at Heard Island and McDonald Islands (CCAMLR Division 58.5.2)

   ) and orcas (Orcinus orca) has been reported in nearly all of the Patagonian toothfish (Dissostichus ... eleginoides) longline fisheries in the Southern Ocean (Moir Clark and Agnew 2010, Tixier et al 2010, Soeffker ... and Tixier 2015, Söffker et al. 2015). The first reports of odontocete depredation in the Division ... 58.5.2 fishery date from 2011, and incidences have been reported in every season thereafter. The majority ...

   Meeting Document : WG-FSA-15/53 : Author(s): D.C. Welsford and R. Arangio (Australia)

4. Krill faecal pellets drive hidden pulses of particulate organic carbon in the marginal ice zone

   Abstract:  The biological carbon pump drives a flux of particulate organic carbon (POC) through ... the ocean and affects atmospheric levels of carbon dioxide. Short term, episodic flux events are hard ... estimates. We model the potential hidden flux of POC originating from Antarctic krill, whose swarming ... seasonal krill FP export flux of 0.039 GT C across the Southern Ocean marginal ice zone, corresponding to ...

   Meeting Document : WG-EMM-2019/P01 : Author(s): A. Belcher, S.A. Henson, C. Manno, S.L. Hill, A. Atkinson, S.E. Thorpe, P. Fretwell, L. Ireland and G.A. Tarling

5. Summary of scientific observer data collected in finfish fisheries in the CAMLR Convention Area during 2016

   Abstract:  This paper summarises the data collected by Scientific Observers operating in the ... Convention Area on board longline and finfish trawl vessels during the 2016 season (based on data received by ... the Secretariat up to 19 September 2016). Information on observer coverage, incidental mortality ... (including the implementation of mitigation related CMs), tagging, and fish sampling is presented. Author(s ...

   Meeting Document : WG-FSA-16/01 : Author(s): CCAMLR Secretariat

6. Report of the Second Annual Meeting of SCAR Krill Action Group

   Abstract:  The first annual meeting of the SCAR Krill Action Group (SKAG) met in Concarneau France ... on June 15th and 16th, 2019. The meeting  focused on several topics including  the  identification of ...   important  knowledge  gaps  in  krill  research  that  could  provide  data  in  support  of  the management ... needs of CCAMLR. Author(s):  B. Meyer, S. Kawaguchi and K. Reid Title:  Report of the Second Annual ...

   Meeting Document : SC-CAMLR-38/BG/06 : Author(s): B. Meyer, S. Kawaguchi and K. Reid

7. Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2001/02

   observed trawl-caught seabirds. Demersal and surface longline fisheries had the highest incident rates ... observed domestic tuna sets in northern waters, 22% of observed chartered Japanese longlines off the ... southern west coast of the South Island, and 10% of observed ling sets. About 1% of observed hoki tows in ... the main fishery areas had incidental captures, compared with 9% of observed squid trawls. Observed ...

   Meeting Document : WG-FSA-04/56 : Author(s): S.J. Baird (New Zealand)

8. Distribution and abundance of larval fishes collected in the western Bransfield Strait region, 1986–87

   samples collected in the western Bransfield Strait region during four RACER program cruises, December ... , and Trematomus scotti, numerically dominated the total catch. Two typically abundant species in this ... differences appear to be responsible for substantial shifts in species abundance relations between the two ... types of net hauls. Gear differences, the restricted geographical coverage, and between year variability ...

   Meeting Document : SC-CAMLR-VIII/BG/36 : Author(s): Delegation of USA

9. The development of Research and Monitoring Plan for CCAMLR MPAs

   Abstract:  China submitted its first paper (CCAMLR-XXXVII/32) in 2018 to CCAMLR on the development ... order to further contribute to the discussions on this issue, China revised the paper from the ... ):  Delegation of the People’s Republic of China Title:  The development of Research and Monitoring Plan for ...

   Meeting Document : SC-CAMLR-38/20 : Author(s): Delegation of the People’s Republic of China

10. Intra-annual variability in the abundance of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ krill density estimates

    kHz) were deployed on moorings on- and off-shelf to the northwest of South Georgia to measure ... (mean = 89.5 g m-2 SD 64.2). A simple polynomial regression model with time as the independent variable ... explained 71% of the observed week-week variation. Mooring estimates of krill abundance were not ... periods suggesting that the mooring point estimates had relevance in a wider spatial context (ship surveys ...

    Meeting Document : WG-EMM-06/25 : Author(s): R.A. Saunders, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein, D.G. Bone and A.S. Brierley (United Kingdom)

Pages